From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

Within the lifetimes of today’s teenagers, some of the world’s most respected researchers now say the discovery of alien life ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

The finding suggests phosphine—a potential biosignature—shouldn’t be viewed as evidence of alien life until natural, non-biological sources are ruled out. Reading time 5 minutes For scientists, the ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

A short silver rock found in a Panamanian crater has set the internet on fire. TikTok clips show the object oozing greenish-yellow slime before sprouting black tentacles, sparking wild speculation ...